ctf_writeups - CTFの解法をまとめる。

项目说明

CTF_Writeups

参加したCTFの解法をまとめる。
上から新しいもの、解けた順になっている。

作問

SECCON Beginners CTF 2021

TsukuCTF 2021

IMCTF 2021

Ir0nMaiden×WEST-SEC CTF 2022

SECCON Beginners CTF 2022

TsukuCTF 2022

Ricerca CTF 2023

SECCON Beginners CTF 2023

TsukuCTF 2023

SECCON CTF 2023 Finals

SECCON Beginners CTF 2024

SatokiCTF

JapanUkraineCTF

ASIS CTF Quals 2025

Securinets CTF Quals 2025 (2025/10/04)

Securinets CTF Quals 2025
958 Points

Easy Jail:Misc:311pts

Puzzle:Web:302pts

Silent :Forensics:345pts

D-CTF Quals 2025 (2025/09/12)

D-CTF Quals 2025
845 Points

east-grandma:Forensics:50pts

packet-snatchers:Network:48pts

jargon:Web:95pts

injective:Misc:160pts

incogni:Misc:300pts

grandbazaar:Threat hunting:192pts

SECCON Beginners CTF 2025 (2025/07/26)

SECCON Beginners CTF 2025
2022 Points

kingyo_sukui:misc:100pts

url-checker:misc:100pts

url-checker2:misc:100pts

Chamber of Echos:misc:100pts

skipping:web:100pts

log-:web:100pts

メモRAG:web:100pts

memo4b:web:308pts

login4b:web:420pts

pet_name:pwnable:100pts

pet_sound:pwnable:100pts

pivot4b:pwnable:394pts

DownUnderCTF 2025 (2025/07/18)

DownUnderCTF 2025
354 Points

ductfbank 1:ai:100pts

ductfbank 2:ai:100pts

Mary had a little lambda:misc:154pts

CPCTF 2025 (2025/04/18)

CPCTF 2025
771.29 Points

Name Omikuji:Web:50.00pts

String Calculator:Web:69.02pts

Blend Script:Web:279.86pts

Typst Note:Web:372.41pts

DEF CON CTF 2025 Qualifiers (2025/04/12)

DEF CON CTF 2025 Qualifiers
190 Points

vibe1:Quals:190pts

KalmarCTF 2025 (2025/03/07)

KalmarCTF 2025
424 Points

Ez ⛳ v3:web:146pts

G0tchaberg:web:278pts

SECCON CTF 13 決勝観戦CTF (2025/03/01)

SECCON CTF 13 決勝観戦CTF
1700 Points

Welcome!:Welcome:100pts

Long Flag:Crypto:100pts

🍪:Web:100pts

Beginner's Flag Printer:Re

parseInt:Misc:100pts

trippple:Crypto:100pts

cs:Web:100pts

dinosaur:Web:100pts

1linepyjail4b:Misc:100pts

play with memory:Pwn:100pts

danger of buffer o:Pwn:100pts

Flag Printer:Re

Can U Keep A Secret?:Pwn:100pts

cache crasher:Pwn:100pts

blue-note:Web:100pts

Slow Flag Printer:Re

42:Crypto:100pts

TSG CTF 2024 (2024/12/14)

TSG CTF 2024
768 Points

Toolong Tea:web:100pts

simple calc:misc:156pts

Cached File :misc:113pts

I Have Been Pwned:web:189pts

Cipher Preset Button:web:210pts

Dreamhack CTF Season 6 Round #13 (🚩Div1) (2024/12/07)

Dreamhack CTF Season 6 Round #13 (🚩Div1))
834 Points

Strong BypassIF:web:834pts/Strong_BypassIF)

SECCON CTF 13 Quals (2024/11/23)

SECCON CTF 13 Quals
149 Points

Tanuki Udon:web:149pts

ShinoLLM CTF (2023/08/01)

ShinoLLM CTF
2350 Points

Bella:Bella - AI Assistant -:100pts

Charles:Charles - Date Planner -:100pts

Charles II:Charles - Date Planner -:100pts

Emily I:Emily - Cookie Shop -:100pts

Emily II:Emily - Cookie Shop -:100pts

Emily III:Emily - Cookie Shop -:100pts

Emily I - Cookie Shop -:150pts

Fiona:Fiona - Poem Generator -:200pts

Grace:Grace - EC Shop Chatbot -:200pts

Grace II:Grace - EC Shop Chatbot -:200pts

Hanna I:Hanna -FX Chatbot-:200pts

Hannah II:Hanna -FX Chatbot-:250pts

Isaac:Isaac - Website Summarizer -:250pts

Jackson:Jackson - WAF -:300pts

AlpacaHack Round 6 (Pwn) (2024/11/03)

AlpacaHack Round 6 (Pwn))
476 Points

inbound:Pwn:128pts/inbound)

catcpy:Pwn:148pts/catcpy)

wall:Pwn:200pts/wall)

Blue Water CTF 2024 (2024/10/12)

Blue Water CTF 2024
165 Points

RSAjail-3:Misc:165pts

AlpacaHack Round 4 (Rev) (2024/10/05)

AlpacaHack Round 4 (Rev))
146 Points

Simple Flag Checker:Re/Simple_Flag_Checker)

Dreamhack CTF Season 6 Round #8 (🌱Div2) (2024/09/28)

Dreamhack CTF Season 6 Round #8 (🌱Div2))
1166 Points

TODO List 0.0.1:web:372pts/TODO_List_0.0.1)

randerer:pwnable:404pts/randerer)

STREAMer-Prototype:crypto:100pts/STREAMer-Prototype)

legacyopt:re:290pts/legacyopt)

IERAE CTF 2024 (2024/09/21)

IERAE CTF 2024
438 Points

OMG:misc:123pts

Great Management Opener:web:315pts

AlpacaHack Round 1 (Pwn) (2024/08/18)

AlpacaHack Round 1 (Pwn))
308 Points

echo:Pwn:129pts/echo)

hexecho:Pwn:179pts/hexecho)

Dreamhack CTF Season 6 Round #3 (Pwn) (2024/08/03)

Dreamhack CTF Season 6 Round #3 (Pwn))
723 Points

Period:pwnable:723pts/Period)

CODEGATE 2024 CTF Preliminaries (2024/06/01)

CODEGATE 2024 CTF Preliminaries
250 Points

ai_warmup:ai:250pts

ångstromCTF 2024 (2024/05/25)

ångstromCTF 2024
630 Points

spinner:web:50pts

markdown:web:80pts

winds:web:100pts

store:web:100pts

pastebin:web:120pts

tickler:web:180pts

CPCTF 2024 (2024/04/20)

CPCTF 2024
1019.25 Points

Attack! Attack! Win!:Pwn:10.00pts

Typing game:Web:10.00pts

CPCT......:Pwn:120.72pts

Let's buy some array:Web:99.02pts

Read Novels:Web:50.00pts

The sky's the limit:Pwn:268.23pts

OGOGPGOGO:Web:461.28pts

XS3 Challenges (2024/03/28)

XS3 Challenges
1000 Points

Welcome Flag:Introduction:5pts

Server Side Upload:Introduction:20pts

Pre Signed Upload:Introduction:20pts

POST Policy:Introduction:20pts

Is the end safe?: Bypass:50pts

Just included?: Bypass:50pts

forward priority...: Bypass:50pts

Content extension:Logic Bug:100pts

GEToken:Ad:150pts

frame:Ad:200pts

sniff?:Ad:150pts

I am ...:Special:100pts

Congratulations:All Submit:85pts

picoCTF 2024 (2024/03/12)

picoCTF 2024
3400 Points

Bookmarklet:Web Exploitation:50pts

WebDecode:Web Exploitation:50pts

IntroToBurp:Web Exploitation:100pts

Unminify:Web Exploitation:100pts

No Sql Injection:Web Exploitation:200pts

Trickster:Web Exploitation:300pts

elements:Web Exploitation:500pts

format string 0:Binary Exploitation:50pts

heap 0:Binary Exploitation:50pts

format string 1:Binary Exploitation:100pts

heap 1:Binary Exploitation:100pts

heap 2:Binary Exploitation:200pts

heap 3:Binary Exploitation:200pts

format string 2:Binary Exploitation:200pts

format string 3:Binary Exploitation:300pts

babygame03:Binary Exploitation:400pts

high frequency troubles:Binary Exploitation:500pts

LINE CTF 2024 (2024/03/23)

LINE CTF 2024
618 Points

jalyboy-baby:Web:100pts

jalyboy-jalygirl:Web:100pts

G0tcha-G0tcha-doggy:Web:124pts

zip:Web:149pts

This message will self-destruct in...:Web:145pts

osu!gaming CTF 2024 (2024/03/01)

osu!gaming CTF 2024
1227 Points

mikufanpage:web:104pts

when-you-dont-see-it:web:111pts

Infiltrating the OSU! (I):misc:104pts)

profile-page:web:114pts

Infiltrating the OSU! (II):misc:110pts)

egg-pain-∞:misc:126pts

base727:crypto:104pts

nathan-on-osu:forensics:117pts

out-of-click:forensics:149pts

when-you-see-it:osint:188pts

bi0sCTF 2024 (2024/02/24)

bi0sCTF 2024
1150 Points

A Block and a Hard Place:Misc:590pts

:Forensics:559pts

Feedback:Misc:1pts

BraekerCTF (2024/02/23)

BraekerCTF
900 Points

Empty execution:Webservices:150pts

e:Programming / Misc:150pts

Thus spoke machine:Crypto / Hashcracking:100pts

Messengesus:Crypto / Hashcracking:150pts

Messengesus 2:Crypto / Hashcracking:100pts

Block construction:Crypto / Hashcracking:150pts

Free points!:Programming / Misc:100pts

shioCTF 2024 (2024/02/12)

shioCTF 2024
830 Points

to ShioCTF:Welcome:100pts

simpleDB:Web:172pts

card:Web:258pts

aburasoba:OSINT:100pts

club:OSINT:100pts

fictional mountain:Misc:100pts

google form:Survey:0pts

DiceCTF 2024 Quals (2024/02/02)

DiceCTF 2024 Quals
236 Points

funnylogin:web:109pts

zshfuck:misc:127pts

MAPNA CTF 2024 (2024/01/20)

MAPNA CTF 2024
247 Points

Flag Holding:Web:28pts

No:Web:42pts

No 2:Web:46pts

Ad JSON Cutifier:Web:59pts

Tampered:Forensics:72pts

UofTCTF 2024 (2024/01/13)

UofTCTF 2024
2678 Points

Voice Changer:Web:232pts

The :Web:293pts

Guestbook:Web:442pts

No Code:Web:362pts

Baby's First Pyjail:Jail:100pts

basic-o:Pwn:100pts

baby-shellcode:Pwn:159pts

patched-shell:Pwn:250pts

EnableMe:Forensics:358pts

nothing-to-return:Pwn:382pts

ASUSN CTF (2023/12/30)

ASUSN CTF
4098 Points

ようこそ:Welcome:1pts

フラッシュ機械語:Re:300pts

フラッシュ機械語2:Re:374pts

フラッシュ機械語3:Re:418pts

アイドル:Crypto:204pts

アイドル2:Crypto:407pts

アイドル3:Crypto:436pts

asusn.online:Misc:240pts

CPU標準時:Misc:176pts

管理徹底:Misc:337pts

サブチャンネル:OSINT:367pts

World:OSINT:381pts

Birthday:OSINT:457pts

アンケート:Welcome:0pts

MerCTF SECCON 2023 (2023/12/23)

MerCTF SECCON 2023
2560 Points

EZ PeehPee:MerCTF:330pts

PeehPee Deser:MerCTF:410pts

EZ XSS:MerCTF:430pts

Secure API:MerCTF:450pts

Old Ver ?:MerCTF:450pts

GoN x TiCkets:MerCTF:490pts

niteCTF 2023 (2023/12/17)

niteCTF 2023
2216 Points

blindjail:misc:50pts

ERaaS:web:50pts

caas renewed:web:352pts

LiteLibrary:web:437pts

Image Gallery:web:470pts

The road not taken:pwn:50pts

Mini Survey:web:480pts

German shell:re

Zealot:re

Flatt Security Speedrun CTF #2 (2023/11/25)

Flatt Security Speedrun CTF #2
3 Points

x:web:1pts

busybox1:web misc:1pts

busybox2:web misc:1pts

TSG LIVE! 11 CTF (2023/11/25)

TSG LIVE! 11 CTF
250 Points

pien:web:250pts

CakeCTF 2023 (2023/11/11)

CakeCTF 2023
214 Points

Word Tower:cheat:214pts

TSG CTF 2023 (2023/11/04)

TSG CTF 2023
421 Points

Sanity Check:Warmup:100pts

Upside-down cake:web:100pts

#DANCE:web:221pts

BlackHat MEA Qualification CTF 2023 (2023/10/08)

BlackHat MEA Qualification CTF 2023
110 Points

Authy:WEB:50pts

Warm Me Up:WEB:60pts

DEF CON CTF 2023 Qualifiers (2023/05/27)

DEF CON CTF 2023 Qualifiers
126 Points

Pawan Gupta:quals:24pts

Prakash Gupta:quals:102pts

WaniCTF 2023 (2023/05/04)

WaniCTF 2023
2769 Points

IndexedDB:Web:119pts

64bps:Web:157pts

Extract Service 1:Web:144pts

screenshot:Web:200pts

Extract Service 2:Web:191pts

Lambda:Web:245pts

Guess:Misc:236pts

certified1:Web:226pts

certified2:Web:331pts

Apocalypse:Forensics:185pts

machine_loading:Misc:300pts

web_assembly:Re:213pts

Lua:Re:222pts

ångstromCTF 2023 (2023/04/22)

ångstromCTF 2023
620 Points

catch me if you can:web:10pts

shortcircuit:web:40pts

directory:web:40pts

hallmark:web:80pts

brokenlogin:web:110pts

better me:misc:100pts

Celeste Speedrunning Association:web:20pts

Celeste Tunneling Association:web:40pts

filestore:web:180pts

BucketCTF 2023 (2023/04/07)

BucketCTF 2023
5210 Points

minecraft:MISC:200pts

clocks:MISC:358pts

Auth:WEB:288pts

Ping check:WEB:228pts

licenseer:RE

LLMagic-1:MISC:420pts

LLMagic-2:MISC:432pts

Clocks 2:MISC:408pts

LLMagic-3:MISC:426pts

Codewriter-2:MISC:412pts

Codewriter-3:MISC:414pts

Starting place:PWN:324pts

Ne:PWN:362pts

Enigma:CRYPTO:484pts

KogCTF2023 (2023/04/04)

KogCTF2023
421 Points

Wellcome:Wellcome:1pts

7-Zip:software introduction:50pts

シーザー暗号:crypto(暗号):50pts

simple_rsa:crypto(暗号):100pts

got_shell:Pwn:150pts

re:re

taskctf22 (2022/12/03)

taskctf22
1948 Points

welcome:osint:100pts

robots:web:404pts

first:web:469pts

shellgei:misc:491pts

anti_detection:misc:484pts

UECTF2022 (2022/11/18)

UECTF2022
4625 Points

WELCOME:MISC:10pts

A file:RE

caesar:MISC:100pts

redaction gone wrong 1:MISC:100pts

RSA:CRYPTO:50pts

re:RE

Deleted:FORENSICS:100pts

buffer_o:PWN:50pts

PDF:MISC:400pts

redaction gone wrong 2:MISC:100pts

GIF1:MISC:100pts

Compare:FORENSICS:100pts

dotnet:RE

Discord 1:FORENSICS:127pts

captain-hook:RE

GIF2:MISC:127pts

OSINT:MISC:436pts

discrete:RE

webapi:WEB:100pts

request-:WEB:323pts

Discord2:FORENSICS:323pts

WHEREAMI:MISC:400pts

guess:PWN:356pts

SekaiCTF 2022 (2022/09/30)

SekaiCTF 2022
1349 Points

Bottle Poem:Web:100pts

Broken Con:Forensics:100pts

flag Mono:Forensics:368pts

Heardle:Misc:325pts

Perfect Match X-treme:Reverse:100pts

Issues:Web:356pts

CakeCTF 2022 (2022/09/03)

CakeCTF 2022
851 Points

readme 2022:misc:133pts

CakeGEAR:web:98pts

OpenBio:web:135pts

matsushima3:cheat:196pts

Cake Memory:cheat:289pts

MapleCTF 2022 (2022/08/27)

MapleCTF 2022
165 Points

honksay:Web:50pts

Bookstore:Web:65pts

Pickle Factory:Web:50pts

nazotokiCTF (2022/07/17)

nazotokiCTF
772 Points

Welcome:Tutorial:1pts

おひつじ座:Riddle - Fire elements:11pts

しし座:Riddle - Fire elements:21pts

いて座:Riddle - Fire elements:31pts

おうし座:Knowledge - Earth elemtnts:12pts

おとめ座:Knowledge - Earth elemtnts:22pts

やぎ座:Knowledge - Earth elemtnts:32pts

ふたご座:Web - Air elemtnts:13pts

てんびん座:Web - Air elemtnts:23pts

みずがめ座:Web - Air elemtnts:33pts

かに座:Misc - Water elements:14pts

さそり座:Misc - Water elements:24pts

うお座:Misc - Water elements:34pts

へびつかい座:2nd Challenge:100pts

最終問題:Last Challenge:200pts

Thank you:Congratulations!!:201pts

vsCTF (2022/07/09)

vsCTF
1017 Points

Sanity Check:Web:100pts

Baby Eval:Web:435pts

:Web:482pts

TyphoonCon CTF 2022 (2022/06/20)

TyphoonCon CTF 2022
400 Points

KnowMe:Web:100pts

Hidden Character:Web:200pts

Typo:Web:100pts

WeCTF 2022 (2022/06/11)

WeCTF 2022
1462 Points

Pkg:Web:616pts

Pkg (Extra Hard):Web:846pts)

HSCTF 9 (2022/06/05)

HSCTF 9
3069 Points

gallery:web:201pts

paas:miscellaneous:347pts

squeal:web:219pts

png-wizard:web:423pts

png-wizard-v2:web:459pts

markdown-plus-plus:web:480pts

hsgtf:web:489pts

eunectes-murinus:re:450pts

TJCTF 2022 (2022/05/13)

TJCTF 2022
3574 Points

lamb-sauce:web:116pts

photoable:web:270pts

game-leaderboard:web:174pts

ascordle:web:198pts

analects:web:246pts

mmocc:web:333pts

fruit-store:web:287pts

fleecebook:web:378pts

portalstrology:web:361pts

viewy:web:312pts

jokster:web:441pts

dnu-merch:web:458pts

TSG LIVE! 8 CTF (2022/05/14)

TSG LIVE! 8 CTF
950 Points

guess:Misc:250pts

Problem on fire:Web:200pts

DNS ROPOB:Re

bpxover:Pwn:100pts

ångstromCTF 2022 (2022/04/30)

ångstromCTF 2022
710 Points

The Flash:Web:40pts

Auth Skip:Web:40pts

crumbs:Web:50pts

Xtra Salty Sardines:Web:70pts

Art Gallery:Web:100pts

No Flags?:Web:150pts

Secure Vault:Web:130pts

School Unblocker:Web:130pts

NahamCon CTF 2022 (2022/04/28)

NahamCon CTF 2022
2579 Points

Prisoner:Warmups:50pts

Jurassic Park:Web:50pts

Personnel:Web:50pts

EXtra:Web:50pts

Mobilize:Mobile:50pts

Steam Locomoti:50pts

Unimod:Cryptography:50pts

Gossip:Miscellaneous:144pts

One Mantissa Please:Miscellaneous:276pts

Hacker Ts:Web:422pts

To Be And Not To Be:Miscellaneous:261pts

Two For One:Web:473pts

Flaskmetal Alchemist:Web:168pts

Babiersteps:Binary Exploitation:50pts

Babysteps:Binary Exploitation:385pts

Crash O:Warmups:50pts

OFPPT-CTF (2022/03/21)

OFPPT-CTF
6713 Points

Logs:Web:200pts

Prison Break:linux:304pts

Trickster:Exploitation:248pts

Chocolate:Web:400pts

php:Web:481pts

Broken Python:Miscellanous:380pts

library:Web:400pts

Shark:Forensics:200pts

Unsecure Password:Exploitation:400pts

Milkshake:Cryptography:250pts

Case loss:Cryptography:500pts

DNA:Warmup:200pts

EZBinary:Binary:250pts

Weird Colors:Steganography:700pts

Look in the shadow:Steganography:300pts

Weird sounds:Cryptography:700pts

Creds:Binary:300pts

Electrical:Steganography:500pts

Harekaze mini CTF 2021 (2021/12/24)

Harekaze mini CTF 2021
623 Points

Welcome:Welcome:100pts

Incomplete Blog:Web:201pts

Osoraku Secure Note:Web:322pts

taskctf21 (2021/12/12)

taskctf21
220 Points

script_kiddie2:Pwnable:30pts

prediction:Pwnable:50pts

super_easy3:Pwnable:30pts

js:Misc:30pts

polyglot:Misc:30pts

polygolf:Misc:50pts

Thor 2021 CTF (2021/11/26)

Thor 2021 CTF
4813 Points

Break the logic:Web:652pts

Phpbaby:Web:528pts

Tricks 1:Web:120pts

How to read read without read:Web:630pts

Tricks 2:Web:270pts

You Shall Not EVAL:Web:782pts

Poison:Web:682pts

C:Forensics:467pts

Email Hunt:OSINT:682pts

WaniCTF 2021 (2021/11/05)

WaniCTF 2021
1799 Points

sourcemap:Web:158pts

POST Challenge:Web:181pts

nearest:Misc:221pts

partition01:Forensics:177pts

NoSQL:Web:224pts

tra:Web:285pts

Styled memo:Web:350pts

partition02:Forensics:203pts

Open xINT CTF 2021 (2021/10/23)

Open xINT CTF 2021
2600 Points

WHOIS:WEB:50pts

past cetificate:WEB:100pts

:Paralympic:300pts

Afganistan:PLACE:500pts

JELLY FISH:FORENSICS:100pts

Plate:WEB:150pts

TOKYO2020:BUS:150pts

DISK:PLACE:300pts

e-bike:WEB:250pts

waitress:WEB:200pts

dissertation:WEB:200pts

soar to new heights:BUS:300pts

NITIC CTF 2 (2021/09/05)

NITIC CTF 2
2200 Points

web_meta:Web:100pts

long flag:Web:200pts

pwn monster 1:Pwn:200pts

pwn monster 2:Pwn:300pts

Excel:Misc:100pts

image_conv:Misc:200pts

password:Web:300pts

pwn monster 3:Pwn:300pts

protected:Re

password fixed:Web:300pts

setodaNote CTF (2021/08/21)

setodaNote CTF
3320 Points

Redirect:Web:150pts

Mx.Flag:Web:150pts

Estimated:Web:120pts

tkys_royale:Web:120pts

Mistake:Web:100pts

puni_puni:Web:80pts

Header:Web:50pts

Body:Web:30pts

tkys_let_die:Pwn:100pts

Helloworld:Re

Passcode:Re

Host:Network:30pts

Nothing:Misc:120pts

Redacted:Misc:150pts

MITRE:OSINT:100pts

lets_bake:Crypto:150pts

1989:Pwn:200pts

identify_the_source:OSINT:250pts

Shellcode:Pwn:300pts

Digdig:Network:200pts

tkys_not_enough:Network:250pts

WEARECIA:Crypto:300pts

CSIRT_asks_you_02:Forensics:200pts

Thank_you_for_playing:Misc:0pts

HSCTF 8 (2021/06/14)

HSCTF 8
2115 Points

NRC:web:107pts

grading:web:397pts

message-board:web:305pts

digits-of-pi:web:388pts

digits-of-pi-2:web:474pts

big-blind:web:444pts

BCACTF 2.0 (2021/06/11)

BCACTF 2.0
1550 Points

Wasm Protected Site 1:webex:100pts

Agent Gerald:webex:125pts

Mo:webex:150pts

Mo:webex:200pts

Regular Website:webex:200pts

Wasm Protected Site 2:webex:250pts

L10N Poll:webex:300pts

Welcome to the Casino:misc:125pts

A Fun Game:re

ångstromCTF 2021 (2021/04/03)

ångstromCTF 2021
1260 Points

Archaic:Misc:50pts

Jar:Web:70pts

Sea of Quills:Web:70pts

Sea of Quills 2:Web:160pts

Spoofy:Web:160pts

nomnomnom:Web:130pts

Secure Login:Binary:50pts

tranquil:Binary:70pts

Sanity Checks:Binary:80pts

stickystacks:Binary:90pts

Float On:Misc:130pts

FREE FLAGS!!1!!:Re

Exclusi:Crypto:40pts

Keysar v2:Crypto:40pts

sosig:Crypto:70pts

DarkCON (2021/02/20)

DarkCON
1094 Points

WTF PHP:Web:269pts

Easy PHP:Web:384pts

Meme_Stash:Web:441pts

Harekaze mini CTF 2020 (2020/12/26)

Harekaze mini CTF 2020
1020 Points

Welcome:Misc:91pts

What time is it now?:Web:123pts

Easy Flag Checker:Re:130pts

Shellcode:Pwn:154pts

rsa:Crypto:186pts

Wait:Re:157pts

NM Game:Misc:179pts

KosenXm4sCTF (2020/12/24)

KosenXm4sCTF
1832 Points

Welcome:Welcome:500pts

beginners_shell:Pwn:61pts

match_flag:Pwn:71pts

dead_or_alive:Pwn:80pts

let us walk zip:Misc:71pts

magic_mirror:Misc:94pts

bad_path:Web:52pts

do_you_know_RSA?:Crypto:78pts

ad:Crypto:94pts

bad_hash:Crypto:97pts

strings_binary:Re:41pts

countdown:Re:68pts

dummy:Re:82pts

first_asm:Re:86pts

do_you_like_CBC?:Crypto:152pts

write_where_what:Pwn:104pts

RGB:Re:101pts

taskCTF20 (2020/12/06)

taskCTF20
392 Points

welcome:Misc:10pts

Caesar Cipher Translator:Web:88pts

guess \?v=\:Misc:10pts

grass flag:Misc:10pts

social hacking:Misc:10pts

OSINT 3:Misc:50pts

Evil Eval:Web:86pts

Gacha:Web:90pts

OSINT 2:Misc:38pts

アンケート:Misc:0pts

Shakti CTF (2020/12/04)

Shakti CTF
600 Points

AuthEN:Web Exploitation:50pts

Ador:Web Exploitation:50pts

Biscuits:Web Exploitation:50pts

Hidd3n:Steganography:100pts

In:Steganography:50pts

Wooooww:Misc:100pts

Doors:Web Exploitation:100pts

PharAway:Web Exploitation:100pts

CTF 313 (2020/12/03)

CTF 313
45 Points

BANGERS!:Web:15pts

Russian Doll:Web:15pts

"The W":Web:15pts

WaniCTF 2020 (2020/11/21)

WaniCTF 2020
2998 Points

Veni, vidi:Crypto:101pts

exclusi:101pts

Basic RSA:Crypto:102pts

De:Web:100pts

De:Web:101pts

strings:Re:101pts

simple:Re:101pts

netcat:PWN:101pts

complex:Re:111pts

:PWN:101pts

binsh address:PWN:102pts

Simple Memo:Web:101pts

Find a Number:Misc:101pts

MQTT Challenge:Misc:103pts

logged_flag:Forensics:101pts

ALLIGATOR_01:Forensics:102pts

ALLIGATOR_02:Forensics:102pts

chunk_eater:Forensics:102pts

ALLIGATOR_03:Forensics:104pts

zero_size_png:Forensics:107pts

striped table:Web:101pts

SQL Challenge 1:Web:102pts

SQL Challenge 2:Web:105pts

ret rewrite:PWN:103pts

got rewriter:PWN:104pts

rop func call:PWN:109pts

one gadget rce:PWN:113pts

LCG crack:Crypto:105pts

l0g0n:Crypto:111pts

SunshineCTF 2020 (2020/11/07)

SunshineCTF 2020
373 Points

Welcome!:Misc:1pts

Disboard Round 2:Misc:2pts

Password Pandemonium:Web:100pts

Hotel Door Puzzle:Re:100pts

User Guide:PEGASUS:10pts

RTFM:PEGASUS:10pts

Magically Delicious:Crypto:100pts

speedrun-00:Speedrun:10pts

speedrun-01:Speedrun:10pts

speedrun-04:Speedrun:10pts

speedrun-02:Speedrun:10pts

speedrun-05:Speedrun:10pts

NACTF (2020/10/30)

NACTF
3000 Points

Inspect:Web:50pts

Missing Image:Web:75pts

Forms:Web:125pts

Login:Web:175pts

Cookie Recipe:Web:150pts

Greeter:Binary Exploitation:150pts

Calculator:Web:150pts

Gummies:Forensics:50pts

Meta-morphosis:Forensics:75pts

Turnips:Forensics:100pts

Secret Message:Forensics:100pts

Error 0:Cryptography:150pts

Arithmetic:General Skills:150pts

Zip Madness:General Skills:175pts

Dr. J's Factory #1 🥕:General Skills:50pts

Dr. J's Factory #2 🥕:General Skills:150pts

Random Number Generator:Cryptography:250pts

Dr. J's Factory #3 🥕:General Skills:175pts

Turnips 2:Forensics:150pts

Static:Forensics:250pts

dROPit:Binary Exploitation:300pts

Syskron Security CTF 2020 (2020/10/21)

Syskron Security CTF 2020
1150 Points

Deadly malware:Tri

Change:Tuesday:200pts

DoS attack:Monday:100pts

Security framework:Tri

Security.txt:Tuesday:200pts

Leak audit:Tuesday:200pts

Stolen licenses:Wednesday:300pts

Ladder password:Monday:100pts

DamCTF (2020/10/10)

DamCTF
921 Points

finger-warmup (beginner):web:160pts)

side-channel:misc:390pts

hacker-camp:web:371pts

MaidakeCTF2020 (2020/09/21)

MaidakeCTF2020
2000 Points

ひらがな64:Crypt:300pts

🐭🐭🐭🐭:Misc:200pts

爆速:Web:200pts

SVG:Misc:100pts

残像:Web:200pts

社内用検索エンジン:Web:300pts

やらかし:Web:300pts

SVG 2nd:Misc:200pts

焼肉W:Misc:200pts

DownUnderCTF (2020/09/18)

DownUnderCTF
2466 Points

Leggos:web:100pts

On the spectrum:forensics:100pts

formatting:re:100pts

Shell this!:pwn:100pts

rot-i:crypto:100pts

Twitter:misc:10pts

Discord:misc:10pts

Bad man:osint:200pts

Welcome!:misc:100pts

16 Home Runs:misc:100pts

Pretty Good Pitfall:misc:200pts

In a pickle:misc:200pts

Welcome to Petstagram:osint:100pts

Off the Rails 2: Electric Boogaloo: Far from Home:osint:336pts

Addition:misc:200pts

Return to what:pwn:200pts

Sur:10pts

added protection:re:200pts

homepage:misc:100pts

COMPFEST CTF 2020 (2020/09/06)

COMPFEST CTF 2020
2583 Points

Sanity Check:Misc:1pts

Super Judge:Web:757pts

Regular Forum Page:Web:864pts

NoPass:Web:961pts

csictf 2020 (2020/07/17)

csictf 2020
4432 Points

Cascade:Web:100pts

Oreo:Web:100pts

Mr Rami:Web:211pts

Warm Up:Web:100pts

Secure Portal:Web:304pts

pwn intended 0x1:Pwn:100pts

pwn intended 0x2:Pwn:280pts

pwn intended 0x3:Pwn:313pts

AKA:Linux:100pts

find32:Linux:276pts

Gradient sky:Forensics:100pts

Archenemy:Forensics:368pts

Panda:Forensics:427pts

Rivest Shamir Adleman:Crypto:100pts

Secret Society:Pwn:435pts

Feedback:Feedback:10pts

HTB 0x1:Linux:446pts

No DIStractions:Miscellaneous:330pts

Pirates of the Memorial:OSINT:332pts

NITIC CTF (2020/07/19)

NITIC CTF
1200 Points

prime_factorization:PPC:200pts

cha1n:Misc:200pts

anim:Forensic:200pts

Fortran:Re:200pts

shift_only:Crypto:200pts

8^2:Web:100pts

Dangerous Twitter:Recon:100pts

redpwnCTF 2020 (2020/06/21)

redpwnCTF 2020
5013 Points

inspector-general:web:112pts

login:web:148pts

static-pastebin:web:373pts

coffer-o:pwn:179pts

coffer-o:pwn:282pts

coffer-o:pwn:304pts

secret-flag:pwn:348pts

CaaSiNO:misc:402pts

4k-rsa:crypto:389pts

12-shades-of-redpwn:crypto:429pts

pseudo-key:crypto:341pts

static-static-hosting:web:434pts

panda-facts:web:412pts

the-library:pwn:424pts

itsy-bitsy:crypto:436pts

RACTF (2020/06/05)

RACTF
7800 Points

Remote Retreat:OSINT:250pts

Quarantine - Hidden information:Web:150pts

Solved in a Flash:Re / Pwn:100pts

Entrypoint:Web:200pts

Admin Attack:Web:300pts

A Musical Mix-up:Steg / Forensics:200pts

A Monster Issue:Steg / Forensics:100pts

Cut Short:Steg / Forensics:200pts

Reading Between the Lines:Misc:300pts

Suspended Belief:OSINT:350pts

Brick by Brick:OSINT:400pts

Tree Man:OSINT:300pts

Dead Man:OSINT:350pts

Insert witty name:Web:200pts

BR.MOV:Misc:400pts

RAirways:OSINT:200pts

pearl pearl pearl:Misc:300pts

Really Small Algorithm:Cryptography:150pts

Quarantine:Web:200pts

Teleport:Misc:300pts

Baiting:Web:200pts

Getting admin:Web:300pts

C0llide?:Web:250pts

Spentalkux:Misc:300pts

Finding ser:Web:350pts

Xtremely Memorable Listing:Web:200pts

ST.MOV:Misc:250pts

B007l3G CRYP70:Cryptography:350pts

B007L36 CRYP70... 4641N:Cryptography:400pts

:Web:250pts

HSCTF 7 (2020/06/01)

HSCTF 7
1820 Points

Blurry Eyes:Web Exploitation:100pts

Inspector Gadget:Web Exploitation:100pts

Broken Tokens:Web Exploitation:100pts

AP Lab: Computer Science Principles:Reverse Engineering:100pts

AP Lab: English Language:Reverse Engineering:100pts

My First Calculator:Miscellaneous:100pts

Boredom:Binary Exploitation:100pts

Pythagorean Tree Fractal 2:Algorithms:100pts

Comments:Forensics:100pts

Recursion Reverse:Reverse Engineering:100pts

XORed:Cryptography:100pts

Does CTFd Work?:Miscellaneous:10pts

Discord Flag:Miscellaneous:10pts

Do Stars Spin? 1:Miscellaneous:100pts

Mad Libs:Forensics:100pts

Debt Simulator:Web Exploitation:100pts

Chonky E:Cryptography:100pts

Very Safe Login:Web Exploitation:100pts

Primes:Miscellaneous:100pts

Unexpected:Cryptography:100pts

SECCON Beginners CTF 2020 (2020/05/23)

SECCON Beginners CTF 2020
888 Points

Welcome:Misc:50pts

emoemoencode:Misc:53pts

R&B:Crypto:52pts

Spy:Web:55pts

mask:Re:62pts

readme:Misc:272pts

unzip:Web:188pts

yakisoba:Misc:156pts

SharkyCTF (2020/05/09)

SharkyCTF
1146 Points

Welcome:Misc:10pts

XXExternalXX:Web:70pts

basic LSB:Steganography:50pts

Trolled:Misc:50pts

Containment Forever:Web:266pts

Logs In ! Part 1:Web:155pts

Erwin's file manager:Misc:197pts

RattataTACACS:Network:167pts

Pain in the ass:Forensics:181pts

HexionCTF 2020 (2020/04/11)

HexionCTF 2020
2273 Points

Mirage:Misc:100pts

Hmmm:Misc:453pts

T&J:Misc:839pts

Notes:Web:881pts

Sur:0pts

ångstromCTF 2020 (2020/03/14)

ångstromCTF 2020
1160 Points

Git Good:Web:70pts

Reasonably Strong Algorithm:Crypto:70pts

Keysar:Crypto:40pts

clam clam clam:Misc:70pts

ws2:Misc:80pts

ws3:Misc:180pts

Shifter:Misc:160pts

Windows of Opportunity:Re

Xmas Still Stands:Web:50pts

PSK:Misc:90pts

Inputter:Misc:100pts

Taking Off:Re

Survey:Misc:5pts

Autore!:Re

项目信息

开发语言：HTML

Star 数：172

技术要点

该项目属于CTF思路方向的开源资源，代码结构清晰，适合安全研究人员学习参考。项目围绕CTFの解法をまとめる。展开，提供了可运行的实现，对理解相关安全机制、工具原理与攻防技术具有较高的研究价值。

从技术实现角度看，此类项目的核心在于对底层原理的深入理解与工程化落地。开发者在研究过程中可以结合官方文档与社区讨论，梳理项目的初始化流程、核心模块职责与数据流转，逐步掌握其中的技术细节与设计思路。

使用与学习建议

1. 下载源码压缩包，解压到本地环境。

2. 根据项目类型准备对应的运行环境与依赖。

3. 按照 README 中的步骤完成配置与部署。

4. 在隔离的测试环境中运行验证，避免影响生产系统。

免责声明

本资源来源于开源社区，仅供安全研究、技术学习与合法授权范围内的攻防演练使用，请勿用于任何非法或侵害他人权益的用途。使用本项目产生的一切后果由使用者自行承担。